package io;

import java.io.FileInputStream;
import java.io.IOException;

public class FisDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fos=new FileInputStream("abc.txt");
        int b = fos.read();
        System.out.println(b);
        b=fos.read();
        System.out.println(b);
        fos.close();
    }
}
